Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 410760Generated: October 31, 2026

Riluzole → 3-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-3H-benzoimidazole-5-carboxylic acid methylamide

https://huagongshe.com/reaction/410760

Reaction equation

Participants

RoleNameHCIDCharge
ReactantRiluzoleHCID 5070—
Reactant1,1'-ThiocarbonyldiimidazoleHCID 80264—
Reactant4-Amino-N-methyl-3-methylamino-benzamideHCID 63356854—
Solvent1,2-DichloroethaneHCID 11—
Product3-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-3H-benzoimidazole-5-carboxylic acid methylamideHCID 866567722%

Reaction Steps

3-Methyl-2-(6-trifluoromethoxy-benzothiazol-2-ylamino)-3H-benzoimidazole-5-carboxylic acid methylamide (11 mg) was prepared by following General Procedure D starting from 4-amino-N-methyl-3-methylamino-benzamide (298 mg), 2-amino-6-(trifluoromethoxy)benzothiazole (303 mg), 1,1′-thiocarbonyl-diimidazole (329 mg), and EDC (398 mg). LC/MS: m/z 422.9. 1H NMR (DMSO-d6, 400 MHz): δ 8.39 (s, 1H), 8.01 (s, 1H), 7.88 (s, 1H), 7.69 (s, 1H), 7.54 (d, 1H), 7.45 (s, 1H), 7.33 (d, 1H), 6.73 (d, 1H), 3.63 (bs, 3H), 3.46 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08759535B2
Source datasetuspto-grants-2014_06
ORD IDord-9b7e93f591df4858822e1918796b8e4a
Source noteuspto-grants-2014_06